''Ceratophyllum muricatum'', commonly known as the prickly hornwort, is a species of ''

Ceratophyllum ''Ceratophyllum'' is a cosmopolitan genus of flowering plants including four accepted living species in 2016, commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions. It is the only extant genus in the family Cer ...

'' native to much of Europe, Asia, Africa, and the Americas. In the US it has been observed specifically in the states of Florida, Georgia and North Carolina. It has also been observed in Cuba and Jamaica. This species is only able to thrive in inland areas, however, due to being a low-salinity tolerant species. It is rarely observed in coastal tropical areas for these reasons.

References

{{Taxonbar, from=Q15482317 muricatum Freshwater plants Flora of Europe Flora of Asia Flora of Africa